Machine for flanging can-bodies or the like.



P. KRUSE.

MACHINE FOR FLANGING CAN BODIES OR THE LIKE.,

APPLICATION FILED DEC-l8. 1916.

Patented Apr. 16, 1918.

2 sums-sum 1.

V iNVENTOR w Z7 worn WITNESSES eys, Wm

P. KRUSE.

MACHINE FOR FLANGING CAN BODIES OR THE LIKE. APPLICATION FILED DEC. 1a, 1915.

Patented Apr. 16, 1918.

2 SHEETS-SHEET 2.

WITNESSES INVENTOR I B Attorneys,

' specification.

UNITED STATES PATENT OFFICE.

PETER K usE, or BROOKLYN, NEW YORK, ASSIGNOR To E. w. BLIss coMr Aiw, or

BROOKLYN, NEW YORK, A CORPORATION 'or'wEsI' VIRGINIA.

MACHINE-FOR FLANGING CAN-BODIES OR THE LIKE.

Specification of Letters Patent.

Pateinted'Apr. 16, 1918.

' application filed December is, 1916. Serial No. 137,635.

To all'whom itmayconcern: I

Be it known that I, PETER KRU'sE, a citizen of the United States of America, residing in the borough; of B rooklyn, county of Kings, city and State of New York, have invented certain new and useful Improve ments in Machines for Flanging-Can-Bodies or the like, of which the following is a The present invention relates to a machine for flanging can-bodies or the like, and aims to provide improvements therein.

The presentimprovements are especially applicable to the flanging of polygonal can- ,bodies, and, in particular, of so-called square can-bodies. The present invention provides a continuously operating machine capable of continuously flanging polygonal can-bodies. The machine is hence one which acts to rapidly perform the operation of fiang-ing polygonal can-bodies.

The invention further provides an improved die for use in forming flanges on polygonal can-bodies.

Other features of improvement will hereinafter appear and be set forth in the claims hereto annexed.

An embodimentof the invention is illustrated in the accompanying drawings.

Referring to'the accompanying drawings,

Figure 1 is a view Of a machine embodying the'invention, parts being shown in elej whicli are carried by the pillow blocks or am vation, and parts in vertical-section;

Fig.2 is across-sectional view on the line The shaft 1 is rotated by suitable means,

as, for instance, a pulley 4 and gearing 5.

In conjunction with each holder-part 2 there is a complementary holder-part 6, the holder-parts 2 and 6, when together, being adapted to closely surround the exterior sides of a can-body, and brace or hold the same against displacement'during the action of the flanging dies.

The holder-parts 6v are adaptedto move with relation to the, holder-parts 2 in such manner as to permit of the'reception of canbodies in the holder-parts 2, and to this end the holder-parts 6 are adapted-to move to and from closing position, and preferably The holder-parts 6 are preferably. carriedby arms 7, which arms are-pivoted to'allow the holder-parts 6 to move to and from closing position. Means, as bolts 8, are preferably provided for limiting the opening or tact with the cam rail 10 is preferably through the medium of a roller 11 upon the arms also to be displaced axially ofv the holder.-

v The holder part 6 and arms 7 are-preferably mounted upon slides 12 mounted in suitable slideways upon a spider 13, fixed upon the shaft 1, and corresponding to and moving with the spider 3 carrymg the holder-parts 2.

Mounted upon the shaft 1 are cam blocks 15, the cam blocks 15 being immobilized by suitable means, as, for example, the rods 16 ried upon a slide 21, slidable in suitable slideways in the spider 13, and are adapted to be reciprocated into and out of bending contact with the edges of the can-bodies by cam grooves 22 in the cam block 15. The slide 21 may be provided with a suitable roller 23 for running in the cam groove 22.

For each holder-part 2 there are preferably two complementary holder-parts 6, one on each side of the machine, together with the parts which carry and operate the holderparts 6, as hereinbefore described.

In order to obtain the best action of the dies upon the bodies, and to obtain a wellv flanged body, it is desirable to give the flanging faces a differential contour. On the rounded corners of the body there is a stretching of the metal, as Well as a turning over, or bending. There is hence more resistance to the die at this point than at the straight faces, and also liability to distortion. To equalize the resistance and to improvethe bending, the turning faces 24 at the corners are usually given a greater radius of curvature than the other portions 25 of the die The turnin faces 24 are preferably made upon separzfble portions 26 of the die, and fastened thereto by suitable means. --This construction preferably perside of thepart 26 and the adjacent face of the main part 20 of the die. This adjustment permits of obtaining the best relation "between the flanges on the round parts of the body and those at the other parts of the can-body. For instance, it permits of bringing the edges of the flanges into the same plane.- Where necessary to obtain the desired flange, the faces 24 of the die would be made upon a vsmaller radius than the portions 25. v

Operation: The can-bodies to be flanged are preferably supplied to the machine through a chute or hopper 30. When one of the rotary holder-parts is beneath the hopper or chute 30, as shown in Fig. 2, the complementary holder-parts 6 are opened by the springs 9 and displaced by the action of the cam groove 17 upon the slide 12', in such manner that a can-body may drop into the holder-part 2 as it passes the chute or hopper As the holder-part 2 moves past the position just referred to,'which may be designatedby the numeral 1, the slide 12 is moved inward by the cam groove 17, bringing the holder-parts 6 on each side of the axle of the can-body toward one another. At about the same time the rollers llcome into contact with the cam rails 10 which act to close the holder-parts 6 against the \pressure of the springs 9. When the holderparts 6 are pressed inward around the canbody, so that the can-body is closely confined and prevented from outward bulging, the dies 20 are brought into action by the cam grooves 22 acting upon the rollers 23. The dies 20 act to form a flange upon the edges of the can-bodies, and the holder-parts 2 and 6 prevent the can-bodies from giving or bulging under the action of the dies (positions II, HI).

After the flanges have been formed, the dies are retracted by the action of the rollers 23 in the cam groove 22, and the holder parts 6 are opened by the springs 9 (the cam rails 10 permitting this) and displaced by the action of the rollers 18 in the cam groove 17. When the holder-parts 6 are opened and: displac'ed,-as, for example, in the position IV, Fig. 2, the-flanged canbodies may drop from the holder-parts 2, and are preferably received upon a suitable conveyer 31 which carries them from the machine. 7 i

The holder-parts 6 may remain opened and displaced (positions V, VI). until, and

plementary revoluble holder-part, the inner faces of said holder-parts inclosing a space polygonal in crosssection, one of said holder-partsbeing adapted to move relatively to the other, and a flanging die, said complementar holder-parts being adapted to hold a canody therein against displacement or bulging during the action of said flangingdie.

2. A machine of the character described,

comprising a revoluble holder-part, a complementary revoluble holder-part, the inner faces of said holder-parts inclosing a space polygonal in cross-section, one of said holder-parts being adapted to move to and from position topermit reception and dis- "charge of a can-body, and a flanging die,

said complementary holderparts being adapted to hold a can-body therein against displacement or bulging during. the action of said flanging die.

3. A machine of the char cter described, comprising a revoluble h der-part, a complementary revoluble holder-part, the inner aces of saidholder-parts inclosing a space polygonal in cross section, and. means for moving one of said holder-parts to and from position to permit reception and discharge of a can-body, said means comprising a sli is carrying one of said holder-parts, a, fianging die, a cam for actuating said slide and a cam for actuating said flangin die, said complementary holder-parts eing adapted to hold a can-body therein against displacement or bulging during the action of said fianging die.

4. A machine of the-character described, comprising a revoluble holder-part, a complementary revoluble holder part, the inner faces of said holder-parts inclosing a space polygonal in cross-section, and means for moving one of said holder-parts to and from position to permit reception and discharge of a can-body, said means comprising a movable arm carrying one of the holderparts, a slide carrying said movable arm, a cam for actuating said movable arm, and a cam for actuating said slide, a fianging die, and a cam for actuating said. fianging die, said complementary holder-parts being adapted to hold a can-body therein against displacement or bulging during the action of said flanging die.

5. A machine of the character described, comprising a revoluble holder-part, a pair of complementary revoluble holder-parts,

the inner faces of said holder-parts inclosing a space polygonal in cross-section, and means for moving said complementary holder-parts to and from position to permit reception and discharge of a can-body, said means comprising a pivotally mounted arm carrying each of the complementary holderparts, slides upon which said arms are mounted, a cam rail adapted to move said arms and holder-parts to closing position, a

cam for actuating each of saidslides, a reciprocatmg flangingodie in conjunction with each holder, and means for reciprocating said flang-ing die, said complementary holder-parts being adapted to hold a canbody therein against displacement or bulging during the action of said flanging die.

6. A machine of the character described, comprising a revoluble holder-part, a complementary revoluble holder-part, the inner faces of said holder-part inclosing a space polygonal in cross-section, one of said holder-parts being adapted to move relatively to the other, and a flanging die,said

die having differential bending faces, said complementary holder-parts being adapted to hold a can-body therein against displacement or bulging during the action of said flanging die.

In witness whereof, I have hereunto signed my name in the presence of two subscribing witnesses.

PETER KRUSE.

Witnesses CULVER S. SNIFFEN,

CHAS. J ELLSWORTH. 

